6630755 has 4 divisors (see below), whose sum is σ = 7956912. Its totient is φ = 5304600.

The previous prime is 6630749. The next prime is 6630769. The reversal of 6630755 is 5570366.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6630755 - 2⁶ = 6630691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663071 + ... + 663080.

It is an arithmetic number, because the mean of its divisors is an integer number (1989228).

Almost surely, 2^6630755 is an apocalyptic number.

6630755 is a deficient number, since it is larger than the sum of its proper divisors (1326157).

6630755 is a wasteful number, since it uses less digits than its factorization.

6630755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326156.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 6630755 is about 2575.0252425947. The cubic root of 6630755 is about 187.8686554293.

The spelling of 6630755 in words is "six million, six hundred thirty thousand, seven hundred fifty-five".